41 citations · 171 across the 16 of their papers we have counts for
16 papers
A compact vapor-cell optical frequency reference with fractional frequency instability around
Siqi Wu, Zhenqi Zhang, Xingyue Liu +12
Compact optical frequency reference with high stability is essential for field applications such as navigation and geodesy, yet vapor cell systems have remained confined to fractio…
Progress of the TianQin project
Jun Luo, Shaojun Bai, Yan-Zheng Bai +97
TianQin is a future space-based gravitational wave observatory targeting the frequency window of Hz Hz. A large variety of gravitational wave sources are expecte…
Ultrafast and precise distance measurement via real-time chirped pulse interferometry
Mingyang Xu, Hanzhong Wu, Jiawen Zhi +4
Laser frequency combs, which are composed of a series of equally-spaced coherent frequency components, have triggered revolutionary progress for precision spectroscopy and optical…
Characterization of an ion optical clock laser with three independent methods
Zhiyuan Wang, Zhiyu Ma, Wenzhe Wei +7
We report on the development and performance evaluation of an ultra-stable clock laser for an optical clock. The thermal noise limited ultra-stable laser is develop…
An ultra-stable cryogenic sapphire cavity laser with an instability of based on a low vibration level cryostat
Leilei He, Jingxuan Zhang, Zhiyuan Wang +4
Cryogenic ultra-stable lasers have extremely low thermal noise limits and frequency drifts, but they are more seriously affected by vibration noise from cryostats. Main material ca…
Development of a Cesium Fountain Clock at HUST: Preliminary Results
Hui Li, Yuanbo Du, Hongli Liu +4
A cesium atomic fountain clock is under development at Huazhong University of Science and Technology (HUST) in China. In this paper, we describe the construction of the entire foun…
Role of hyperfine interaction in Landé -factors of clock states
Tingxian Zhang, Benquan Lu, Jiguang Li +4
In the weak-magnetic-field approximation, we derived a general expression of hyperfine-induced Landé -factors. By using this formula and the multi-configuration Dirac-Hartree-Fo…
3 m3 m heterolithic passive resonant gyroscope with cavity length stabilization
Fenglei Zhang, Kui Liu, Zongyang Li +9
Large-scale high sensitivity laser gyroscopes have important applications for ground-based and space-based gravitational wave detection. We report on the development of a 3 m$\time…
A hybrid silicon-sapphire cryogenic Fabry-Perot cavity using hydroxide catalysis bonding
Yun-Long Sun, Yan-Xia Ye, Xiao-Hui Shi +5
The third-generation gravitational wave detectors are under development by operating the detector in cryogenic temperature to reduce the thermal noise. Silicon and sapphire are pro…
A simple scheme of low phase noise microwave synthesizers based on the sub-sampling phase lock loop
Wenbing Li, Qiang Hao, Yuanbo Du +3
In this paper, we demonstrate a simple scheme of 6.835 GHz microwave frequency synthesizer based on the sub-sampling phase lock loop (PLL) technique. The application of the sub-sam…
Ultraviolet laser spectroscopy of aluminum atoms in hollow-cathode lamp
Hongli Liu, Wenhao Yuan, Zetian Xu +2
We report precision measurement of aluminum atoms transition at 394 nm and transition at 396 nm in a hollow-cathode lamp…
A low phase noise microwave frequency synthesizer based on parameters optimized NLTL for Cs fountain clock
Wenbing Li, Yuanbo Du, Hui Li +1
We report on the development and phase noise performance of a 9.1926 GHz microwave frequency synthesizer to be used as the local oscillator for a Cs fountain clock. It is based on…
Thermal noise limited higher-order mode locking of a reference cavity
X. Y. Zeng, Y. X. Ye, X. H. Shi +4
Higher-order mode locking has been proposed to reduce the thermal noise limit of reference cavities. By locking a laser to the HG02 mode of a 10-cm long all ULE cavity, and measure…
Suppression of residual amplitude modulation effect in the Pound-Drever-Hall locking
Xiaohui Shi, Jie Zhang, Xiaoyi Zeng +4
Residual amplitude modulation (RAM) effect in a Pound-Drever-Hall (PDH) technique locked cavity system is analysed in this paper. Frequency shift caused by RAM in PDH is found to b…
Theoretical study on the hyperfine interaction constants and the isotope shift factors for the transitions in Al
Tingxian Zhang, Luyou Xie, Jiguang Li +1
We calculated the magnetic dipole and the electric quadrupole hyperfine interaction constants of 3s3p states and the isotope shift, including mass and field shift, fa…
Design of an optical reference cavity with low thermal noise and flexible thermal expansion properties
J. Zhang, Y. X. Luo, B. Ouyang +3
An ultrastable optical reference cavity with re-entrant fused silica mirrors and a ULE spacer structure is designed through finite element analysis. The designed cavity has a low t…